2

I have dissolved polygons together to make feature A. Some of the polygons are contiguous and some are not. Therefore, there is a unique row for each feature (singlepart to multipart).

In ArcGIS or SAS how are the features assigned a unique ID?

Is the largest feature given the first ID?

  • I don't think it's safe to make any assumption of order in assignment. – Vince Jun 10 '16 at 23:15

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Browse other questions tagged or ask your own question.